As far as the complicate heavy equipment is concerned the process of research and development is a complicate and technology concentrated systems engineering.

对于大型复杂设备而言，其研制过程是一项复杂的、技术密集的系统工程。

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Heavy floating crane is important equipment in the field of ocean engineering.

大型浮吊是重要的海洋工程作业设备。

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Take the reauthorization of the 2005 law on highway and transit spending, which stirred up interest in publicly held heavy equipment, engineering and construction materials companies.

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After all, the mechanical engineering major had worked at the heavy- equipment and engine-maker since May 2010 through an extended internship.

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